Event: Defense day
Defense day is a public holiday that is celebrated as national day to commemorate in the memory of Pakistan's successful defense against India that marked the ceasefire in the 1965 war on 6 September. To mark the celebrations, mobile phone services with-in 10 KM radius of GHQ to remain offline for now, that will include some parts of Islamabad as well.
An official of a mobile phone company confirmed ProPakistani that services in Rawalpindi and parts of Islamabad will remain offline from 4PM till 11PM. All wireless services (WiMAX, EvDO, 2G, 3G, 4G) also remained offline.
Cities Name:
Rawalpindi
Islamabad
Source:
http://epaper.tribune.com.pk/DisplayDetails.aspx?ENI_ID=11201609070486&EN_ID=11201609070154&EMID=11201609070077
https://propakistani.pk/2016/09/06/mobile-service-islamabad-rawalpindi-suspended-second-consecutive-day/
2016 Timeline